APA (7th ed.) Citation

Ayer, J. C. (2008). A Source Book for Ancient Church History. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ayer, Joseph Cullen. A Source Book for Ancient Church History. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Ayer, Joseph Cullen. A Source Book for Ancient Church History. Project Gutenberg, 2008.

Warning: These citations may not always be 100% accurate.